红砷镍矿是一个砷和镍的矿物，分子式为NiAs，其中砷占 56.1%而镍占43.9%，另外红砷镍矿也含有微量的钴、硫和铁。

• The mineral nickeline: Mineralgalleries.com
• Webmineral - Nickeline
• Mindat.org - Nickeline

Nickeline or niccolite is a mineral consisting of nickel arsenide (NiAs) containing 43.9% nickel and 56.1% arsenic.

Small quantities of sulfur, iron and cobalt are usually present, and sometimes the arsenic is largely replaced by antimony. This last forms an isomorphous series with breithauptite (nickel antimonide).